Buckle



FIG. 1 is a perspective view of a buckle;

FIG. 2 is a front view of the buckle of FIG. 1;

FIG. 3 is a rear view of the buckle of FIG. 1;

FIG. 4 is a left side view of the buckle of FIG. 1;

FIG. 5 is a right side view of the buckle of FIG. 1;

FIG. 6 is a top view of the buckle of FIG. 1;

FIG. 7 is a bottom view of the buckle of FIG. 1;

FIG. 8 is a cross-sectional view taken along lines 8-8 of FIG. 2; and,

FIG. 9 is a perspective view showing the buckle in an open position. 

CLAIM The ornamental design for a buckle, as shown and described. 